
Originally Posted by
Mom
There are many on here able to give you advice on the best way of changing from mineral to synthetic oils (have you done a site search?) Unless technology has changed, in my experience combining mineral and vegetable oils will result in some sort of jelly mess that does not work so well as a lubricant.
You need to drain the existing oil out of a warm engine, replace the filter, then the oil. But you were asking the merits of mineral, versus synthetic oils. Wait to hear what others have to say.
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